package com.lm.leetcode.dualpointer;

import com.lm.leetcode.PrintUtils;

import java.util.Stack;

/**
 * @Auther: Min.Liu
 * @Description:
 * 编写一个函数，其作用是将输入的字符串反转过来。输入字符串以字符数组 s 的形式给出。
 * 不要给另外的数组分配额外的空间，你必须原地修改输入数组、使用 O(1) 的额外空间解决这一问题。
 *
 * 示例 1：
 * 输入：s = ["h","e","l","l","o"]
 * 输出：["o","l","l","e","h"]
 *
 * 示例 2：
 * 输入：s = ["H","a","n","n","a","h"]
 * 输出：["h","a","n","n","a","H"]
 *。
 * @Date: Created in 19:18 2025/5/8
 */
public class reverseDemo {
    public static void main(String[] args) {
        reverseDemo demo = new reverseDemo();
        //String[] s ={"h","e","l","l","o"};
        String[] s ={"H","a","n","n","a","h"};
        demo.reverseString(s);
        PrintUtils.printStringArray(s);
    }

    public void reverseString(String[] arr) {
        int i= 0;
        int j = arr.length-1;
        while (i<j){
            String temp = arr[i];
            arr[i] = arr[j];
            arr[j] = temp;
            i++;j--;
        }
    }

}
